You can control and/or delete cookies as you wish - for details, see aboutcookies.org. You can delete all cookies that are already on your computer and you can set most browsers to prevent them from being placed.
What are cookies?
A cookie is a small text file that a website saves on your computer or mobile device when you visit the site. A list of the cookies we use on radio-on.co.uk, and why, is provided below.
Here is a list of cookies that we use. We’ve listed them here so you that you can choose if you want to opt-out of cookies or not.
_session_id - unique token, sessional,
Allows Shopify to store information about your session (referrer, landing page, etc).
_shopify_visit - no data held
Persistent for 30 minutes from the last visit
Used by our website provider’s internal stats tracker to record the number of visits
_shopify_uni - no data held, expires midnight (relative to the visitor) of the next day
Counts the number of visits to a store by a single customer.
cart - unique token, persistent for 2 weeks
Stores information about the contents of your cart.
_secure_session_id - unique token, sessional
storefront_digest - unique token, indefinite
If the shop has a password, this is used to determine if the current visitor has access.